Windows to the Universe
This NASA funded Earth and Space sciences site at the University of Michigan includes multimedia exhibits on the Earth, the Solar System, stars, space missions, and mythology; art, music, literature, mythology and film relating to space; images and biographies of scientists; news stories; a teacher's guide; and a "Kids Space."
Intended Audience: Students/Teachers Reading Level: Varies Teacher Section: Yes Searchable: Yes

Smithsonian National Air and Space Museum
Visit the collections section of this site to learn more about spacecraft, aircraft, and the history of flight and space exploration. You find hundreds of images and descriptions or everything from the Goddard rocket to the Mercury Freedom 7. A special education section features online exhibits on the Wright brothers, how things fly, satellite images, the planets, and the Universe.
Intended Audience: Students/Teachers Reading Level: Varies Teacher Section: Yes Searchable: Yes

Lift Off to Space Exploration
Learn about the Universe, discover what it takes to live in space, keep track of satellites and space craft orbiting the Earth. This site from NASA, designed for teens, provides lots of resources and information about space and space exploration.
Intended Audience: Students Reading Level: Middle/High School Teacher Section: No Searchable: Yes

NASA Kids
Do you know what you weigh on Mars? Find out at this site for kids from NASA. You can also learn about rockets and airplanes, discover what its like to live in space, explore the solar system and beyond, or play some space games!
Intended Audience: Students Reading Level: Elementary Teacher Section: Yes Searchable: Yes

Interactive Mars Habitat
This interactive site lets you experience what it might be like to explore and live on the Red Planet.
Intended Audience: General Reading Level: N/A Teacher Section: No Searchable: No

Mars Express
Follow along as the Mars Express heads to the Red Planet. Launched by the European Space Agency, the Mars Express is scheduled to reach Mars in December of 2003. It will then eject the Beagle 2 lander which will gather scientific data and give folks the opportunity to say that the Beagle has landed!
Intended Audience: General Reading Level: Middle/High School Teacher Section: No Searchable: Yes

NASA's Mars Exploration Program
Find out what is happening with NASA's efforts to explore Mars. You can learn about current missions, explore the technology being used to explore Mars, and learn about the planet. Special sections for kids, students, and teachers provide information for space explorers of all ages.
Intended Audience: General/Students Reading Level: Varies Teacher Section: Yes Searchable: Yes